[codeforces722D]Generating Sets 试题描述 You are given a set Y of n distinct positive integers y1, y2, ..., yn. Set X of n distinct positive integers x1, x2, ..., xn is said to generate set Y if one can transform X to Y by applying some number of the fol…

D. Generating Sets time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You are given a set Y of n distinct positive integers y1, y2, ..., yn. Set X of n distinct positive integers x1, x2, ...,…

D. Generating Sets time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You are given a set Y of n distinct positive integers y1, y2, ..., yn. Set X of n distinct positive integers x1, x2, ...,…

D. Generating Sets 题目连接: http://codeforces.com/contest/722/problem/D Description You are given a set Y of n distinct positive integers y1, y2, ..., yn. Set X of n distinct positive integers x1, x2, ..., xn is said to generate set Y if one can transfo…

H - Generating Sets Time Limit:2000MS     Memory Limit:262144KB     64bit IO Format:%I64d & %I64u Submit Status Description You are given a set Y of ndistinct positive integers y1, y2, ..., yn. Set X of ndistinct positive integers x1, x2, ..., xn is…

D. Generating Sets time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You are given a set Y of n distinct positive integers y1, y2, ..., yn. Set X of n distinct positive integers x1, x2, ...,…

Codeforce 722 D. Generating Sets 解析(思維) 今天我們來看看CF722D 題目連結 題目 略,請直接看原題 前言 真的是沒想到... @copyright petjelinux 版權所有 觀看更多正版原始文章請至petjelinux的blog 想法 觀察到,\(x\times2,x\times2+1\)這兩個運算反過來看就是把任一個數字除以\(2\)(因為整數型別會自動捨去小數點,所以整數型別的\(\frac{x}{2}=\lfloor\frac{x}{2}\r…

You are given a set Y of n distinct positive integers y1, y2, ..., yn. Set X of n distinct positive integers x1, x2, ..., xn is said to generate set Y if one can transform X to Y by applying some number of the following two operation to integers in X…

time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output You are given a set Y of n distinct positive integers y1, y2, -, yn. Set X of n distinct positive integers x1, x2, -, xn is said to generate set…

A. Broken Clock time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output You are given a broken clock. You know, that it is supposed to show time in 12- or 24-hours HH:MM format. In 12-hours format…